Cheapest priced copy (New Phyrexia): $0.35 at Card Kingdom, near mint, their price list as of .
Conversion Chamber 
Artifact · Uncommon · New Phyrexia · #133
{2}, {T}: Exile target artifact card from a graveyard. Put a charge counter on this artifact.
{2}, {T}, Remove a charge counter from this artifact: Create a 3/3 colorless Phyrexian Golem artifact creature token.
Legal inCommanderModernLegacyVintage
Not legal inBrawlStandardPioneerPauper
1 printing · $0.35 to $0.49 at Card Kingdom
| Set | Number | Rarity | Card Kingdom | Foil |
|---|---|---|---|---|
| New Phyrexia | 133 | Uncommon | $0.35 | $0.49 |
One ruling from Wizards of the Coast
- 1 June 2011If the targeted artifact card is no longer in the graveyard when the first ability tries to resolve, it won’t resolve and none of its effects will happen. You won’t put a charge counter on Conversion Chamber.